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@uitrit tntrs atrnt @frn JOHNHEUERMANN, OF DAVENPORT, IOWA.

Letters Pat'entNa 66.961, dated July 23, 1867.

IMPROVED rms-ESCAPE.

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TO ALL WHOM IT MAY CONCERN:

Be it known that I, JOHN HEUERMANN, of Davenport, in the c ounty ofScott, and State of Iowa, have invented a new and improved Fire-Escape;and I do hereby declare that the following is a truc and exactdescription thereof.

The nature of my invention consists in the construction and combinationof two ladders and a fire-escape box in such manner as to admit of theraising and lowering of escape-box and one ladder, while the otherladder remains stationary; the attaching of a ladder to escape-box, asshown on drawings; the attaching of a cam in such manner as to throwsuch last-named ladder to and from the building by means of a ropeconnected therewith; the framing of such escape-boxV and escape-boxladderrin such manner as to admit of folding up while not in use, andthe connecting therewith arms or braces, as shown on drawings, forraising and holding such ladder in a rm position; reference being had tothe accompanying drawings,making a part of this specication, in which-Figure I is a perspective View, with fire-escape folded up.

Figure 2 is a perspective view, with fire-escape in position.

Figure 3 is a view of re-escape box'folded up, and

Figure 4 is a view of fire-escape box separate from the ladder.

Fire-escape box, iig. 4, is attached to ladder D by slides N, which borvis raised and lowered by ropes attached to roller A, from which theropes R pass up and over the grooved wheels on iron shaft' marked V, andthe ends of rope are securelyr fastened to one of the bolts X whichconnect the frame of the escape-box, as shown on'the drawings. Letter Wrepresents the arms by which the ladder is raised from the ground andsupported in its place. Letters E, F, G, and H represent the differentpieces of iron frame of escape-box. Letter K, the floor of same, of woodor sheet iron. Letter L, of side pieces, of wood or sheet iron. LetterI, the ladder of escape-box.l Letter J, the iron points or hooks ofescape-box ladder. Letter C, the cam, by which escape-box ladder ismoved to and from the building. Letter O represents an iron brace whichis placed into grooves marked P to hold escape-box securely in shapewhen thrown open. Letter M represents the bottom hatten or brace ofiron, securely fastened by bolts, or otherwise, to frame-pieces F, sothat the frame-pieces E of. escape-box 'rest upon the bottom hatten orbrace when the escape-box is thrown open. The ladder of escapebox issecurely fastened by iron bolts X to frame-pieces G and II, as shown ondrawings. Letter Q represents the ropes by which the cam C is moved, soas to throw the escape-boxvladder to and from the building. Letter Ilrepresents a ratchet for holding ratchet-wheel to its place. Letter Srepresents a ratchet-wheel securely fastened to roller A. Letter Trepresents a flange securely fastened to roller A. Letter U representsthe chains securely fastened near the bottom of ladder D, which are tobe used for fastening such ladder to its position on the ground. LetterZ represents the hole in roller Athrough which the ropcs'lt pass and aresecurely fastened.

What I claim formy invention, and desire to secure by Letters Patent,is-

1. 'Ihe combination and arrangement of the fire-escape box in all itsparts, in the manner and for the purpose herein described.

2. The method of attachment ot' such hre-escape biox to an ordinaryladder, in the manner and for the purpose herein described. l

3. The method ofattachment of the ladder to fire-escape box, so asv tobe easily thrown to and from the building by means of the cam and ropes,arranged substantially as and for the purposes set forth.

JOIIN IIEUERMANN.

Witnesses M. J. EAGAL, HENRY Notre.

